Meixin Integrated
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MAX1806EUA18+T
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MAX1806EUA18+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, High Efficiency
  • Package: SOT-23-8
  • Essence: Step-Down DC-DC Converter
  • Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage: 1.8V
  • Maximum Output Current: 500mA
  • Dropout Voltage: 120mV at 100mA
  • Quiescent Current: 40µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1806EUA18+T has a total of 8 pins:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin for turning the regulator on/off
  4. FB: Feedback pin for setting the output voltage
  5. SW: Switching node pin
  6. LX: Inductor connection pin
  7. PGND: Power ground pin
  8. VOUT: Output voltage pin

Functional Features

  • Low dropout voltage allows efficient regulation even with low input voltages.
  • High efficiency conversion ensures minimal power loss during operation.
  • Enable pin provides control over the regulator's on/off state.
  • Feedback pin enables precise output voltage adjustment.
  • Internal compensation simplifies external component requirements.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows flexibility in various applications. - Low quiescent current minimizes power consumption during standby. - Small package size makes it suitable for space-constrained designs. - High efficiency results in reduced heat dissipation.

Disadvantages: - Limited maximum output current may not be sufficient for high-power applications. - Dropout voltage may affect performance in low input voltage scenarios.

Working Principles

The MAX1806EUA18+T is a step-down DC-DC converter that regulates the input voltage to a fixed 1.8V output voltage. It utilizes a switching regulator topology to achieve high efficiency conversion. The internal control circuitry adjusts the duty cycle of the switching transistor to maintain the desired output voltage, compensating for variations in input voltage and load conditions.

Detailed Application Field Plans

The MAX1806EUA18+T is commonly used in various battery-powered applications, such as portable devices, wireless communication systems, and handheld instruments. Its low dropout voltage and high efficiency make it suitable for applications where power conservation is crucial. Additionally, its small package size allows for integration into space-constrained designs.

Detailed and Complete Alternative Models

  1. MAX1806EUA25+T: Output voltage of 2.5V
  2. MAX1806EUA33+T: Output voltage of 3.3V
  3. MAX1806EUA50+T: Output voltage of 5.0V

These alternative models provide different output voltage options while maintaining similar characteristics and package options as the MAX1806EUA18+T.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX1806EUA18+T in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of MAX1806EUA18+T in technical solutions:

  1. Q: What is the input voltage range for MAX1806EUA18+T? A: The input voltage range for MAX1806EUA18+T is typically between 2.5V and 5.5V.

  2. Q: What is the output voltage of MAX1806EUA18+T? A: MAX1806EUA18+T provides a fixed output voltage of 1.8V.

  3. Q: What is the maximum output current that MAX1806EUA18+T can deliver? A: MAX1806EUA18+T can deliver a maximum output current of 500mA.

  4. Q: Can MAX1806EUA18+T operate with a single-cell Li-ion battery? A: Yes, MAX1806EUA18+T can operate with a single-cell Li-ion battery as long as the input voltage is within the specified range.

  5. Q: Does MAX1806EUA18+T have built-in thermal shutdown protection? A: Yes, MAX1806EUA18+T has built-in thermal shutdown protection to prevent overheating.

  6. Q: Is MAX1806EUA18+T suitable for low-power applications? A: Yes, MAX1806EUA18+T is designed for low-power applications and offers high efficiency.

  7. Q: Can MAX1806EUA18+T be used in portable devices? A: Yes, MAX1806EUA18+T is commonly used in portable devices such as smartphones, tablets, and wearable devices.

  8. Q: Does MAX1806EUA18+T require any external components for operation? A: Yes, MAX1806EUA18+T requires a few external components such as input and output capacitors.

  9. Q: What is the typical efficiency of MAX1806EUA18+T? A: The typical efficiency of MAX1806EUA18+T is around 90% under normal operating conditions.

  10. Q: Can MAX1806EUA18+T handle load transient conditions? A: Yes, MAX1806EUA18+T is designed to handle load transient conditions and provide stable output voltage.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.